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Mergers, Acquisitions, and Dispositions (Tables)
12 Months Ended
Dec. 31, 2021
Mergers, Acquisitions, and Dispositions [Abstract]  
Schedule of Changes in Ownership Interest
The following table summarizes the effects of the changes in Generation's ownership interest in CENG in Exelon's Shareholders' Equity:

For the Year Ended December 31, 2021
Net income attributable to Exelon's common shareholders$1,706 
Pre-tax increase in Exelon's common stock for purchase of EDF's 49.99% equity interest(a)
1,080 
Decrease in Exelon's common stock due to deferred tax liabilities resulting from purchase of EDF's 49.99% equity interest(a)
(290)
Change from net income attributable to common stock and transfers from noncontrolling interest$2,496 
_________
(a)Represents non-cash activity in Exelon’s consolidated financial statements